Baka to Tesuto to Syokanju:Volume12 The Sixteenth Question

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The Sixteenth Question

Please answer the following question:

1. In the equation 4 sin X + 3 cos 3X = 2, solve for X when X is in the first quadrant.

2. Which equation does Sin (A + B) equate to? Please choose from options 1 to 4.

  1. sin A + cos B
  2. sin A - cos B
  3. sin A cos B
  4. sin A cos B + cos A sin B


Himeji Mizuki's answer

"1: X = π/6, 2: 4"

Question 1, courtesy of Sunny

Teacher's Comment

Correct answer

Yoshii Akihisa's Answer

"I do not know."

Teacher's Comment:

What happened to that 'I'll just write anything here as an answer' attitude you used to have?

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